Andrey Feldman
Andrey got his B.Sc. and M.Sc. degrees in elementary particle physics from Novosibirsk State University, and a Ph.D. in string theory from the Weizmann Institute of Science. Currently, he is a senior lecturer at Novosibirsk University teaching various courses on theoretical physics.
Does dark matter really exist?

Does dark matter really exist?

Tweaking the rules of gravity via Modified Newtonian dynamics provides a possible alternative explanation for the behavior of galaxies